Home / 91,018.14-136,527.19-28,688.62

Finding the Fourth Proportional to 91,018.14, 136,527.19 and 28,688.62

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Solution

The fourth proportional to 91,018.14, 136,527.19 and 28,688.62 is: 43,032.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,018.14 : 136,527.19 = 28,688.62 : x
  2. Step 2: Convert to fraction form
    91,018.14/136,527.19 = 28,688.62/x
  3. Step 3: Cross multiply
    91,018.14x = 136,527.19 × 28,688.62
  4. Step 4: Simplify right side
    91,018.14x = 3,916,776,673.58
  5. Step 5: Solve for x
    x = 3,916,776,673.58/91,018.14
  6. Step 6: Final answer
    x = 43,032.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.